external combustion engine


: a heat engine (such as a steam engine) that derives its heat from fuel consumed outside the cylinder

Examples of external combustion engine in a Sentence

Recent Examples on the Web No operating or using any internal or external combustion engine without a spark arresting device. Scott D. Pierce, The Salt Lake Tribune, 14 June 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'external combustion engine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1890, in the meaning defined above

Time Traveler
The first known use of external combustion engine was in 1890

Dictionary Entries Near external combustion engine

Cite this Entry

“External combustion engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/external%20combustion%20engine. Accessed 29 Feb. 2024.

Kids Definition

external-combustion engine

: a heat engine (as a steam engine) that gets its heat from fuel burned outside the engine cylinder
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